1678451153 has 8 divisors (see below), whose sum is σ = 1720352256. Its totient is φ = 1636596000.

The previous prime is 1678451141. The next prime is 1678451167. The reversal of 1678451153 is 3511548761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1678451153 - 2²⁰ = 1677402577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1678451153.

It is not an unprimeable number, because it can be changed into a prime (1678451053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69500 + ... + 90482.

It is an arithmetic number, because the mean of its divisors is an integer number (215044032).

Almost surely, 2^1678451153 is an apocalyptic number.

It is an amenable number.

1678451153 is a deficient number, since it is larger than the sum of its proper divisors (41901103).

1678451153 is a wasteful number, since it uses less digits than its factorization.

1678451153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975.

The product of its digits is 100800, while the sum is 41.

The square root of 1678451153 is about 40968.9047083273. The cubic root of 1678451153 is about 1188.4189518102.

The spelling of 1678451153 in words is "one billion, six hundred seventy-eight million, four hundred fifty-one thousand, one hundred fifty-three".